package demo1;

class Student{
    //私有属性name
    private String name = "bit";
    //公有属性age
    public int age = 18;
    //不带参数的构造方法
    public Student(){
        System.out.println("Student()");
    }
    private Student(String name,int age) {
        this.name = name;
        this.age = age;
        System.out.println("Student(String,name)");
    }
    private void eat(){
        System.out.println("i am eat");
    }
    public void sleep(){
        System.out.println("i am pig");
    }
    private void function(String str) {
        System.out.println(str);
    }
    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }
}
public class Test {
    public static void main(String[] args) {
        // 创建class对象
        Class<?> c1=null;
        try{
            /* 此处利用forName方法创建了一个class对象
               但是 该方法会报异常throws ClassNotFoundException
               extends ReflectiveOperationException
                extends Exception
                属于编译时异常，所以要抛出
             */
            c1=Class.forName("demo1.Student");
        } catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }

        Class<?> c2=Student.class;

        Student student=new Student();
        Class<?> c3=student.getClass();


        System.out.println(c1 ==c2);
        System.out.println(c1 ==c3);

    }


}
